Home / 118,364.85-163,347.03-64,652.40

Finding the Fourth Proportional to 118,364.85, 163,347.03 and 64,652.40

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Solution

The fourth proportional to 118,364.85, 163,347.03 and 64,652.40 is: 89,222.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,364.85 : 163,347.03 = 64,652.40 : x
  2. Step 2: Convert to fraction form
    118,364.85/163,347.03 = 64,652.40/x
  3. Step 3: Cross multiply
    118,364.85x = 163,347.03 × 64,652.40
  4. Step 4: Simplify right side
    118,364.85x = 10,560,777,522.37
  5. Step 5: Solve for x
    x = 10,560,777,522.37/118,364.85
  6. Step 6: Final answer
    x = 89,222.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.